Sometimes you need to look at the system, which perl module installed. You can view the following way:
1. perllocal
# perldoc perllocal
Change instruction can list information for each installed modules, such as installation time, installation location, the version information and the like.
# perldoc -t perllocal | grep "Module"
Tue Apr 16 15:19:06 2013: "Module" String::CRC32
Tue Apr 16 15:19:26 2013: "Module" Cache::Memcached
Mon May 6 09:19:21 2013: "Module" Test::Nginx
Thu Aug 1 00:46:54 2013: "Module" version
Thu Aug 1 00:46:55 2013: "Module" Module::Metadata
Thu Aug 1 00:47:10 2013: "Module" CPAN::Meta::YAML
Thu Aug 1 00:47:16 2013: "Module" JSON::PP
Thu Aug 1 00:47:16 2013: "Module" Parse::CPAN::Meta
Thu Aug 1 00:47:28 2013: "Module" Test::Simple
Thu Aug 1 00:47:31 2013: "Module" CPAN::Meta::Requirements
Thu Aug 1 00:47:36 2013: "Module" File::Path
Thu Aug 1 00:47:49 2013: "Module" File::Temp
2. instmodsh
a script executable instructions provided by the ExtUtils :: Installed module, to view the module information currently installed.
To output content at little processing:
reproduced please specify from
time to live operation and maintenance
: http://www.ttlsa.com/html/4094.html
Reproduced in: https: //my.oschina.net/766/blog/211060